Plan, sections (orthographic projections; geological maps; positive photostat print); 18 1/8 x 18 3/16 inches, horizontal scale 1:1000, vertical scale 1:50; DR. II; Shading (blue, pencil).1938-09-15unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_047_5_0000_1_0003Vertical sections of mineral lease, fee and mineral claims of Ozark Chemical Co. in Ward County Texas. Consists of Vertical Section at YY and Vertical Section at XX which feature the geological strata composition and shading of brines.